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Dietary supplement

Long Dan Cao Alcohol Free Ingredients & Drug Interactions

by Herbal Terra

Long Dan Cao Alcohol Free label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Long Dan Cao Alcohol Free against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Long Dan Cao Alcohol Free is a dietary supplement by Herbal Terra with 1 active ingredient. Its ingredients are commonly taken for loss of appetite, indigestion and bloating, digestive bitter tonic.Based on those ingredients, 172 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Long Dan Cao Root Extract, Dry. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Long Dan Cao Alcohol Free by Herbal Terra

Ask about any prescription or over-the-counter medication and we check it for interactions with Long Dan Cao Alcohol Free by Herbal Terra — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Long Dan Cao Alcohol Free by Herbal Terra

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product has one active ingredient: Long Dan Cao Root Extract, Dry — the dried extract form of gentian root. Gentian is a traditional bitter herb used in herbal medicine.

The liquid also contains glycerin and water as inactive ingredients.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

This is a single-ingredient Gentian product and its label doesn't state a use — see Gentian's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence for gentian root is limited. The data we hold shows insufficient reliable evidence to rate its use for wound healing, obesity, rhinosinusitis, and gastritis.

In other words, we don't have solid proof that it works for any of these purposes right now.

The evidence, ingredient by ingredient Gentian

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Gentian is generally well tolerated in small amounts by healthy adults, but it can irritate your stomach. In one trial, people taking gentian alongside turmeric and ginger experienced nausea, vomiting, diarrhea, and bloating — though it's unclear how much of that came from gentian alone.

The product is not well studied at higher doses. During pregnancy, the safety data advises against use.

There isn't enough reliable safety information to use it while breastfeeding, so talk with your doctor or pharmacist for personalized advice.

Side effects, ingredient by ingredient Gentian

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Gentian.
  • The most serious interaction on file is rated Moderate.
  • For scale: 172 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, check your exact blood pressure medications (antihypertensives) with the search tool on this page. Gentian can intensify their blood-pressure-lowering effect and risk dropping your pressure too low.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Long Dan Cao is a single-ingredient gentian supplement that may appeal to you if you're interested in traditional herbal support. If you take blood pressure medication, check with us or your pharmacist first — gentian can lower pressure further.

Pregnant or breastfeeding? Skip it or discuss with your provider.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Mar 25, 2025.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Long Dan Cao Alcohol Free, straight from the product label.

Brand Herbal Terra
Barcode (UPC) 7238360348330
Net contents 2 Fluid Ounce(s); 60 mL
Market status On market
Date entered into DSLD Mar 25, 2025
DSLD ID 324345
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Long Dan Cao Alcohol Free by Herbal Terra, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 mL
Maximum serving Sizes:
1 mL
Servings per container
60
UPC/BARCODE
7238360348330
IngredientAmount% DV
Long Dan Cao Root Extract, Dry1156 mg--

Other ingredients: Glycerin, Water

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions

Shake well before use. Adults take up to 30 drops (1 mL, one full squeeze of the dropper bulb) in 3-4 fl. oz. of juice or water up to 4 times a day.

Precautions

We recommend to seek expert medical advice before taking. May have contraindications and cause adverse reaction.

Consult a physician before giving to children under 18, before using during pregnancy, if nursing, or if you are on any medications.

Consult a physician before giving to children under 18, before using during pregnancy, if nursing, or if you are on any medications. Keep out of the reach of children!

Do not use if you are allergic to any ingredients.

Storage

Store in a cool, dry, dark place.

FDA Disclaimer Statement

This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.

Formulation

cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.

Sugar free

Expertly extracted 100% natural Premium product

No alcohol (ethyl), artificial ingredients, color additives, fillers or binders.

Natural Gluten free

Formula

Gentiana manshurica

FDA Statement of Identity

Herbal Supplement

Seals/Symbols

Made in USA

General Statements

Organic raw material.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Long Dan Cao Alcohol Free by Herbal Terra label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Long Dan Cao Alcohol Free label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Long Dan Cao Alcohol Free by Herbal Terra

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 mL Dosage formLiquid Servings per container60 Amounts shown are per serving.

Long Dan Cao Root Extract, Dry

Interacts with
172 drugs
1156 mg per serving Form: Gentiana manshurica Root Extract, Dry

Gentian is a very bitter root traditionally used to stimulate appetite and ease mild digestive complaints, often as part of "bitters" before meals. Th...

Long Dan Cao Root Extract, Dry monograph & interactions

Other (inactive) ingredients: Glycerin, Water. These complete the product’s ingredient list but are not active constituents.

Interaction report

Long Dan Cao Alcohol Free by Herbal Terra Drug Interactions

Want to check YOUR meds against Long Dan Cao Alcohol Free?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
172Drugs
172 Moderate

Ingredients driving the most interactions

Long Dan Cao Root Extract, Dry 172

Individual Drug Interactions

The ingredients in Long Dan Cao Alcohol Free interact with 172 drugs. Click any drug to see the details.

1 of the 1 ingredient in Long Dan Cao Alcohol Free interact with drugs. Each result below shows which ingredient is responsible. Long Dan Cao Root Extract, Dry

Each ingredient & the kinds of drugs it affects

For each ingredient in Long Dan Cao Alcohol Free with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Long Dan Cao Root Extract, Dry1 drug type · 172 drugs

Antihypertensive Drugs

Theoretically, taking gentian with antihypertensive drugs might increase the risk of hypotension.
In vitro research shows that gentian can cause vasodilation and lower blood pressure.

Likelihood Possible Evidence D
Long Dan Cao Root Extract, Dry full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Long Dan Cao Alcohol Free, from the product label.

Herbal Terra

See all Herbal Terra products
Name
Herbal Terra LLC
Phone Number
+18083857868
Web Address
herbalterra.com
Pharmacist Counseling Corner

Long Dan Cao Alcohol Free by Herbal Terra: Common Questions

Does Long Dan Cao Alcohol Free by Herbal Terra interact with any medications?
Yes. Based on its ingredients, Long Dan Cao Alcohol Free has a known interaction with 172 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Long Dan Cao Alcohol Free contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take Long Dan Cao if I'm pregnant?
The safety data advises against use during pregnancy. There isn't enough information to know it's safe, so talk with your doctor or pharmacist before taking it.
Is it safe to breastfeed while using this product?
There isn't enough reliable safety information for breastfeeding. It's best to avoid it or discuss with your pharmacist for personalized advice.
What are the side effects I might experience?
Gentian can upset your stomach. In a trial combining it with other herbs, some people reported nausea, vomiting, diarrhea, and bloating — though gentian's exact role wasn't clear. It's not well studied at high doses.
Does gentian actually work for anything?
The evidence we hold is insufficient to reliably rate gentian for wound healing, obesity, rhinosinusitis, or gastritis. We don't have solid proof it works for these uses yet.
What is Long Dan Cao used for?
Gentian is a traditional bitter herb used in herbal medicine, but the clinical evidence is limited for the conditions listed in our data.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Long Dan Cao Alcohol Free is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Long Dan Cao Alcohol Free label
Go deeper

The Full Monographs Behind Long Dan Cao Alcohol Free’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Gentian

Interacts with 172 drugs

Gentian is a very bitter root traditionally used to stimulate appetite and ease mild digestive complaints, often as part of "bitters" before meals. The evidence is mostly traditional and pre...

Read the full Gentian monograph →
Sources

Sources & How We Checked

Long Dan Cao Alcohol Free's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 5 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Gentian 5 references
  1. Neubauer N, Marz RW. Placebo-controlled, randomized, double-blind, clincal trial with Sinupret sugar coated tablets on the basis of a therapy with antibiotics and decongestant nasal drops in acute sinusitis. Phytomedicine 1994;1:177-81.
  2. Marz RW, Ismail C, Popp MA. Action profile and efficacy of a herbal combination preparation for the treatment of sinusitis. Wien Med Wochenschr 1999;149:202-8.
  3. Uncini Manganelli RE, Chericoni S, Baragatti B. Ethnopharmacobotany in Tuscany: plants used as antihypertensives. Fitoterapia 2000;71:S95-100. PubMed
  4. Baragatti B, Calderone V, Testai L, et al. Vasodilator activity of crude methanolic extract of Gentiana kokiana Perr. et Song. (Gentianaceae). J Ethnopharmacol 2002;79:369-72. PubMed
  5. Sanatani M, Younus J, Stitt L, et al. Tolerability of the combination of ginger (Zingiber officinalis), gentian (Gentiana lutea) and turmeric (Curcuma longa) in patients with cancer-associated anorexia. J Complement Integr Med. 2015;12(1):57-60.

See these in context on the Gentian monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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